Catalonia's parliament weighs its independence. Catalonia’s secessionist leader Carles Puigdemont will address parliament in Barcelona, Spain, on Tuesday, and he could ask for vote on a unilateral declaration of independence from Madrid, Reuters says.

Ken Rogoff says bitcoin will eventually collapse. "My best guess is that in the long run, the technology will thrive, but that the price of Bitcoin will collapse," the former chief economist of the International Monetary Fund said in a column for Project-Syndicate.

MongoDB reveals its IPO range. The database startup says it plans to price its initial public offering at $18 to $20 a share, giving it a valuation of about $930 million at the midpoint, which is less than its recent valuation of $1.6 billion.

2 Fed presidents take the mic. The Minneapolis Fed president, Neel Kashkari, and the Dallas Fed president, Robert Kaplan, will speak at 10 a.m. ET and 8 p.m. ET, respectively.